Lamp making machine



March 28, 1961 G' E. 0TT 2,977,104

LAMP MAKING MAcHNE F11ed Au 7 1958 3 Sheets-sheet 1- G' E` OTT LAMP MAKING MACHINE March 28, 19 1 3 sheetssheet 2 Fi1ed Au 7 1958 March 28, 1961 OTT 2,977,104

LAMP MAKING MAcHNE F11ed Aug. 7 1958 3 Sheetssheet 3 to move Said heads sequentiany through the spaced inde Steps, a heating oven having waus forming a combustion Chamber 100ated i*'l the path of movement of the lamps,

Said waus being provided With openings to )rnit moveme1t of lamps through the chamber, elongated air ducts in said chamber 10cated in Spaced apart reati0nShip on opp0site sides of the path of lan1p n10vement, aid duc'ts having side walls facing said path and each being pr0- vided with a seies of elongated openings at p0ints cor- Tesponding t0 the Spaced index Steps tal(en by the lamps adapted to direct ai1 from Within the ducts toward sub stantially the full length of both opposite sides of the lanps along the path of lamp movement, Said elongated openings bei11g formed i!1 Said walls to e tend Substantially the full vertical length there0f at predete!- n1ined spaced points thereon such that each longatGd opening in one duct Wall faces an elongated opening in the 0ther duct wa11, Said openjngs being disposed at predeternlined spatced points along the length ofsaid duct Wa1ls, air heating means il1 said combustion chamber, means t0 difect heated ail' through each of said ducts, and means t0 regulate the volume of air f[0wing through each of said elongated open ngs, the end of one of said ducts being Spaced ffolT1 the vvaus of the oven to pennit oW of air fl'om the area defining th6 ath of lamp movement over the end of said duc t0 0ther parts of said combustion chamber References cited in the flle of this patent UNITED STATES PATENTS l 763 418 Cramer Iune l0 1930 1 77 302 vvilliamson Sept 9, 1930 2 039,4z9 Lydon May S, 1936 Z,160,633 Young 1/Iay 30 1939 2,7S6,980 0tt Iuly 31, 196 

